The DeWALT backpack blower features a brushless motor and 450 cfm of air volume at 142 mph. The product features an active s battery well for an additional battery and extended run-time if needed. The control handle features a battery switch that enables you to select which battery to draw energy from or to lock the tool off for transport or storage. The handle also includes a full variable speed trigger and a speed lock that is activated and deactivated with the push of a button. At only 63 dBA, the backpack blower is compliant with noise restricted regions and ideal for working on noise sensitive properties. Tool only, battery and charger sol separately.